BEST BET ON TELEVISIONBarring a blackout on CSN at 7:30, you probably can see Tyrod Taylor compete for a quarterbacking job with the Ravens as they face the Jaguars in a preseason game. If you have ESPN, you can see the Cardinals and Titans try to sort out their quarterback issues at 8 p.m. Is it time to step up for Arizona’s John Skelton and Tennessee’s Jake Locker?